| Acronym | Meaning |
| XGRS | X-ray/gamma-ray Spectrometer |
| VEEH | Variable Electronegativity Extended Hueckel Method |
| SXRFM | Synchrotron X-ray-fluorescence Microprobe |
| CC | Combined Cycle |
| FLIM | Fluorescence Lifetime Imaging Microscopy |
| SPW | Symmetrized Plane Wave |
| CC-DQMC | Clamped-coordinate Diffusion Quantum Monte Carlo |
| NNRTI | Non-nucleoside Reverse Transcriptase Inhibitor |
| SCA | Specific Collection Areas |
| NCASI | National Council For Air And Stream Improvement |